Analisa potensi penggunaan VNG sebagai bahan bakar transportasi di Kota Semarang = Potential analysis of CNG usage as transport fuel in Semarang City

Analisis pengaruh coefficient of variation terhadap emisi bahan bakar motor 125cc berbahan bakar campuran gasoline dan fuel grade bioethanol = Analysis of the effect of the coefficient of variation on 125cc motorbike fuel emissions with gasoline and fuel grade bioethanol mixture

Alat penurun emisi gas buang pada motor, mobil, motor tempel dan mesin pembakaran tak bergerak

Analisis Emisi Gas Karbon Dioksida dan Ekonomi Pada Pergantian Bahan Bakar Solar ke Gas Alam Proses Alumunium Die Casting Industri Sepeda Motor = Carbon Dioxide and Economic Analysis of Fuel Change from Diesel Fuel to Natural Gas at Alumunium Die Casting Process in Motorcycle Industry

Analisis penyediaan dan permintaan gas bumi di Indonesia : substitusi bahan bakar gas (BBG) terhadap bahan bakar minyak (BBM) dengan sistem dinamik = Supply and demand analysis of natural gas in Indonesia : substitution fuel gas instead of fuel oil using system dynamics